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Author(s)
Serrell, Lemuel WrightRecipient(s)
Prescott, George BartlettOthers Mentioned
U.S. Patent Office. Commissioner
Subject(s)
Patent applicationMultiple telegraphy (duplex, quadruplex)
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A project that narrates Edison's life and work through his documents |
Recipient(s)
Prescott, George BartlettOthers Mentioned
U.S. Patent Office. Commissioner
The Thomas A. Edison Papers was founded by the following organizations